Steelers sign tackle Marcus Gilbert to five-year extension

The Pittsburgh Steelers and tackle Marcus Gilbert have agreed to a five-year, $30 million contract extension, the team announced Tuesday. The deal will keep Gilbert signed through the 2019 season.

Gilbert, a 2011 second-round pick, started every game at right tackle last year for the Steelers. According to Football Outsiders' adjusted sack rate metric, the Steelers' offensive line ranked 22nd in the NFL last season and 27th in 2012. Pittsburgh allowed 43 sacks last year.